Founding Engineer

Benbase, Inc.

$135K — $160K *
US-AnywhereRemote in San Francisco, CA
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of full-stack development experience
  • Proficient in Ruby, Python, and Typescript
  • Strong portfolio demonstrating past projects and expertise
  • Experience with Large Language Models and prompt engineering
  • Deep understanding of application performance optimization
  • Comfortable working in fast-paced startup environments

Responsibilities

  • Architect and develop AI agent platform to streamline brokerage workflows
  • Create and enhance middleware for agent interactions using Ruby and Python
  • Optimize automation for security, reliability, and performance
  • Collaborate with brokerage team to transition prototypes into functional systems
  • Make strategic technical decisions for long-term project sustainability

Benefits

  • Hybrid work model with potential for remote options
  • Opportunity to influence and own key project decisions
  • Fast-paced work environment with a focus on innovation
  • Chance to work at the intersection of finance and AI
  • Access to cutting-edge technology and development practices
Full Job Description
As a Founding Engineer, you'll architect and build our AI agent platform. You'll work across the stack-from thinking how our agents interact human-in-loop to optimizing back-end infrastructure and model accuracy-ensuring speed, scalability, and impact.

We are seeking builders who thrive on speed, iteration, and impact.

What You'll Do

  • Build and ship our AI agents platform to help automate our brokerage's core internal workflows
  • Develop and refine agentic middleware including prompt engineering and tool calls using Ruby and Python
  • Design and optimize agentic automations for performance, security, and reliability
  • Work closely with our brokerage team to translate ideas from prototypes to production-ready automations
  • Own key technical decisions, ensuring maintainability and long-term impact


Who You Are

  • You love to code
  • Have a strong portfolio or GitHub showcasing full-stack development expertise
  • Proficient in at least two major languages (Ruby/Python/Typescript) and modern front-end/back-end frameworks
  • Experience designing and working with Large Language Models, Embeddings and Prompt Engineering
  • Deep understanding of debugging, performance optimization, multi-stage deployment, and best practices
  • Comfortable in a fast-moving, high-performance startup environment


The ideal candidate is based in San Francisco or New York and can be hybrid a few days a week, but we are open to a fully remote hire.

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